ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
Perfectly and clearly explained. Understood it 100%.
How to check if the titrated value we got is correct or not?
Very well explained mam
She just produced NO2 gas without a fume cupboard. Damn she got balls
Madam I have some brass metal product, they are my family product, not very old within 50 to 100 years old. How can I determine the age of then, any easy method
Need to improve video quality and slow the procedure
Thank you soo much mam .. you explained it well !!!!!!!!!!
Maidam please write the process in diccrpsion
Mam nice video but awaj nii aarhai àapki
Increase vedio quality
Perfectly and clearly explained. Understood it 100%.
How to check if the titrated value we got is correct or not?
Very well explained mam
She just produced NO2 gas without a fume cupboard. Damn she got balls
Madam I have some brass metal product, they are my family product, not very old within 50 to 100 years old. How can I determine the age of then, any easy method
Need to improve video quality and slow the procedure
Thank you soo much mam .. you explained it well !!!!!!!!!!
Maidam please write the process in diccrpsion
Mam nice video but awaj nii aarhai àapki
Increase vedio quality